60405666 has 24 divisors (see below), whose sum is σ = 125131344. Its totient is φ = 19439280.

The previous prime is 60405661. The next prime is 60405671. The reversal of 60405666 is 66650406.

It is an interprime number because it is at equal distance from previous prime (60405661) and next prime (60405671).

It is not an unprimeable number, because it can be changed into a prime (60405661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (5213806).

Almost surely, 2^60405666 is an apocalyptic number.

60405666 is an abundant number, since it is smaller than the sum of its proper divisors (64725678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60405666 is a wasteful number, since it uses less digits than its factorization.

60405666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034 (or 12005 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 60405666 is about 7772.1082082019. The cubic root of 60405666 is about 392.3670768472.

The spelling of 60405666 in words is "sixty million, four hundred five thousand, six hundred sixty-six".